EP0136519A3 - Air-fuel ratio control apparatus for internal combustion engines - Google Patents

Air-fuel ratio control apparatus for internal combustion engines Download PDF

Info

Publication number
EP0136519A3
EP0136519A3 EP84110073A EP84110073A EP0136519A3 EP 0136519 A3 EP0136519 A3 EP 0136519A3 EP 84110073 A EP84110073 A EP 84110073A EP 84110073 A EP84110073 A EP 84110073A EP 0136519 A3 EP0136519 A3 EP 0136519A3
Authority
EP
European Patent Office
Prior art keywords
air
internal combustion
control apparatus
fuel ratio
combustion engines
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP84110073A
Other versions
EP0136519B1 (en
EP0136519A2 (en
Inventor
Yoshishige Oyama
Mamoru Fujieda
Teruo Yamauchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of EP0136519A2 publication Critical patent/EP0136519A2/en
Publication of EP0136519A3 publication Critical patent/EP0136519A3/en
Application granted granted Critical
Publication of EP0136519B1 publication Critical patent/EP0136519B1/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1477—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation circuit or part of it,(e.g. comparator, PI regulator, output)
    • F02D41/1479—Using a comparator with variable reference
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1486—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor with correction for particular operating conditions

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
EP84110073A 1983-08-24 1984-08-23 Air-fuel ratio control apparatus for internal combustion engines Expired EP0136519B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP153203/83 1983-08-24
JP58153203A JPH0713493B2 (en) 1983-08-24 1983-08-24 Air-fuel ratio controller for internal combustion engine

Publications (3)

Publication Number Publication Date
EP0136519A2 EP0136519A2 (en) 1985-04-10
EP0136519A3 true EP0136519A3 (en) 1985-12-18
EP0136519B1 EP0136519B1 (en) 1989-11-08

Family

ID=15557293

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84110073A Expired EP0136519B1 (en) 1983-08-24 1984-08-23 Air-fuel ratio control apparatus for internal combustion engines

Country Status (5)

Country Link
US (1) US4561403A (en)
EP (1) EP0136519B1 (en)
JP (1) JPH0713493B2 (en)
KR (1) KR850001964A (en)
DE (1) DE3480416D1 (en)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60173334A (en) * 1984-02-15 1985-09-06 Honda Motor Co Ltd Air-fuel ratio control device of internal-combustion engine
JPS60230532A (en) * 1984-04-28 1985-11-16 Toyota Motor Corp Air-fuel ratio controller for internal-combustion engine
JPS60233332A (en) * 1984-05-07 1985-11-20 Toyota Motor Corp Air-fuel ratio controlling apparatus for internal-combustion engine
JPS61167134A (en) * 1985-01-18 1986-07-28 Mazda Motor Corp Controller for air-fuel ratio of engine
JPS61187570A (en) * 1985-02-16 1986-08-21 Honda Motor Co Ltd Intake secondary air feeder of internal-combustion engine
JPS61229941A (en) * 1985-04-04 1986-10-14 Mazda Motor Corp Fuel controller for engine
US4745741A (en) * 1985-04-04 1988-05-24 Toyota Jidosha Kabushiki Kaisha Double air-fuel ratio sensor system having improved response characteristics
GB2173924B (en) * 1985-04-16 1989-05-04 Honda Motor Co Ltd Air-fuel ratio control system for an internal combustion engine with a transmission gear responsive correction operation
JPS61247868A (en) * 1985-04-25 1986-11-05 Mazda Motor Corp Engine ignition timing control device
CA1268529A (en) * 1985-07-31 1990-05-01 Toyota Jidosha Kabushiki Kaisha Double air-fuel ratio sensor system carrying out learning control operation
JPS6260943A (en) * 1985-09-11 1987-03-17 Mazda Motor Corp Air-fuel ratio controller for engine
JPS62147033A (en) * 1985-12-19 1987-07-01 Toyota Motor Corp Air-fuel ratio control device for internal combustion engine
JPS62162746A (en) * 1986-01-10 1987-07-18 Nissan Motor Co Ltd Air-fuel ratio control device
JPS62223427A (en) * 1986-03-20 1987-10-01 Nissan Motor Co Ltd Air-fuel ratio controller
JP2507315B2 (en) * 1986-03-26 1996-06-12 株式会社日立製作所 Internal combustion engine controller
JPH0819870B2 (en) * 1986-04-09 1996-02-28 富士重工業株式会社 Air-fuel ratio controller for lean burn engine
JPS62247142A (en) * 1986-04-18 1987-10-28 Nissan Motor Co Ltd Air-fuel ratio controller for internal combustion engine
GB2189627B (en) * 1986-04-24 1990-10-17 Honda Motor Co Ltd Method of air/fuel ratio control for internal combustion engine
DE3744859C2 (en) * 1986-04-24 1994-08-18 Honda Motor Co Ltd Air-fuel ratio control for internal combustion engine
JP2601455B2 (en) * 1986-04-24 1997-04-16 本田技研工業株式会社 Air-fuel ratio control method for internal combustion engine
US4770147A (en) * 1986-04-25 1988-09-13 Fuji Jukogyo Kabushiki Kaisha Air-fuel ratio control system for an engine
JPH081142B2 (en) * 1986-04-28 1996-01-10 マツダ株式会社 Engine air-fuel ratio control device
JP2947353B2 (en) * 1986-04-30 1999-09-13 本田技研工業株式会社 Air-fuel ratio control method for internal combustion engine
DE3623195A1 (en) * 1986-07-10 1988-01-14 Volkswagen Ag FUEL TREATMENT SYSTEM
JPS6388241A (en) * 1986-09-30 1988-04-19 Mitsubishi Electric Corp Air-fuel ratio control device for internal combustion engine
JP2579936B2 (en) * 1987-04-02 1997-02-12 マツダ株式会社 Air-fuel ratio control device for supercharged engine
JPS6441637A (en) * 1987-08-08 1989-02-13 Mitsubishi Electric Corp Air-fuel ratio control device for internal combustion engine
JPH0758275B2 (en) * 1987-10-05 1995-06-21 株式会社日立製作所 Oxygen sensor
DE3741527A1 (en) * 1987-12-08 1989-06-22 Bosch Gmbh Robert CONTROL / REGULATION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE
SE8802226L (en) * 1988-06-14 1989-12-15 Nira Automotive Ab DEVICE FOR LIMITING THE EXHAUST TEMPERATURE IN A COMBUSTION ENGINE
JP2621085B2 (en) * 1988-08-03 1997-06-18 本田技研工業株式会社 Fuel supply control device for internal combustion engine
JPH0286936A (en) * 1988-09-22 1990-03-27 Honda Motor Co Ltd Air-fuel ratio feedback control method for internal combustion engine
US5127383A (en) * 1988-12-10 1992-07-07 Robert Bosch Gmbh Adaptive acceleration enrichment for petrol injection systems
US5016596A (en) * 1989-05-01 1991-05-21 Honda Giken Kogyo K.K. Air-fuel ratio control method for internal combustion engines
JPH0660579B2 (en) * 1989-07-07 1994-08-10 マツダ株式会社 Engine fuel controller
JP2518717B2 (en) * 1990-04-24 1996-07-31 株式会社ユニシアジェックス Internal combustion engine cooling system
JPH04209940A (en) * 1990-12-10 1992-07-31 Nippondenso Co Ltd Air-fuel ratio control device for engine
US5211147A (en) * 1991-04-15 1993-05-18 Ward Michael A V Reverse stratified, ignition controlled, emissions best timing lean burn engine
JP2678985B2 (en) * 1991-09-18 1997-11-19 本田技研工業株式会社 Air-fuel ratio control device for internal combustion engine
JP2745898B2 (en) * 1991-10-16 1998-04-28 日産自動車株式会社 Output control device for internal combustion engine
JP2924547B2 (en) * 1993-03-19 1999-07-26 日産自動車株式会社 Air-fuel ratio control device for internal combustion engine
DE69414322T2 (en) * 1993-07-26 1999-05-20 Hitachi, Ltd., Tokio/Tokyo Control unit for a vehicle and an entire control system therefor
US6009370A (en) * 1993-07-26 1999-12-28 Hitachi, Ltd. Control unit for vehicle and total control system therefor
US5685283A (en) * 1994-07-01 1997-11-11 Mazda Motor Corporation Air-fuel ratio control system for engine
JP3692618B2 (en) * 1995-08-29 2005-09-07 株式会社デンソー Air-fuel ratio control device for internal combustion engine
DE19609923B4 (en) * 1996-03-14 2007-06-14 Robert Bosch Gmbh Method for monitoring an overheat protection measure in full load operation of an internal combustion engine
JPH10159629A (en) * 1996-12-04 1998-06-16 Nissan Motor Co Ltd Air-fuel ratio controller for engine
KR100448125B1 (en) * 1996-12-31 2005-04-20 현대자동차주식회사 Fuel injection compensating method for vehicle
US6138650A (en) * 1999-04-06 2000-10-31 Caterpillar Inc. Method of controlling fuel injectors for improved exhaust gas recirculation
KR100401614B1 (en) * 2000-12-30 2003-10-17 현대자동차주식회사 Device for controlling engine of vehicles and method thereof
US7216638B1 (en) * 2006-07-06 2007-05-15 Brunswick Corporation Control of exhaust gas stoichiometry with inducted secondary air flow
KR102461139B1 (en) * 2020-01-22 2022-11-01 태경에코 주식회사 Briquette For Reducing Emissions Of Air Pollutants And Method For Preparing The Same

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2135996A5 (en) * 1971-04-02 1972-12-22 Bosch Gmbh Robert
US4088095A (en) * 1975-05-20 1978-05-09 Nissan Motor Company, Limited Closed-loop mixture control system for an internal combustion engine using a differential amplifier with a reference voltage variable according to engine operating parameters
US4140086A (en) * 1976-08-25 1979-02-20 Robert Bosch Gmbh Apparatus for adjusting the combustible mixture of an internal combustion engine
US4163433A (en) * 1975-12-27 1979-08-07 Nissan Motor Company, Limited Air/fuel ratio control system for internal combustion engine having compensation means for variation in output characteristic of exhaust sensor
EP0005613A2 (en) * 1978-05-15 1979-11-28 Allied Corporation Temperature circuit for oxygen sensor during warm-up
US4235204A (en) * 1979-04-02 1980-11-25 General Motors Corporation Fuel control with learning capability for motor vehicle combustion engine
US4300507A (en) * 1975-02-25 1981-11-17 The Bendix Corporation System controlling any air/fuel ratio with stoichiometric sensor and asymmetrical integration
DE3330070A1 (en) * 1982-08-19 1984-02-23 Honda Giken Kogyo K.K., Tokyo CONTROL METHOD FOR THE AIR FUEL RATIO OF AN INTERNAL COMBUSTION ENGINE FOR VEHICLES

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1054696A (en) * 1974-10-21 1979-05-15 Masaharu Asano Apparatus for controlling the ratio of air to fuel of air-fuel mixture of internal combustion engine
DE2649272C2 (en) * 1976-05-22 1986-04-03 Robert Bosch Gmbh, 7000 Stuttgart Control method and mixture ratio control device for determining the proportions of a fuel-air mixture fed to an internal combustion engine
JPS53122013A (en) * 1977-03-30 1978-10-25 Toyota Motor Corp Air fuel ratio controller for internal combustion engine
JPS6059418B2 (en) * 1977-05-31 1985-12-25 株式会社デンソー Electronic fuel injection control device
JPS6045297B2 (en) * 1977-07-22 1985-10-08 株式会社日立製作所 Internal combustion engine fuel control device
JPS54158527A (en) * 1978-06-02 1979-12-14 Hitachi Ltd Electronic type fuel control device for internal combustion engine
JPS5549550A (en) * 1978-10-02 1980-04-10 Aisan Ind Co Ltd Air-fuel ratio control device
JPS55134728A (en) * 1979-04-04 1980-10-20 Nippon Denso Co Ltd Method for protecting exhaust-gas purifying apparatus from overheat
US4245605A (en) * 1979-06-27 1981-01-20 General Motors Corporation Acceleration enrichment for an engine fuel supply system
JPS56115540U (en) * 1980-02-06 1981-09-04
US4272331A (en) * 1980-03-03 1981-06-09 Ford Motor Company Oscillatory mode oxygen sensor and method
US4359993A (en) * 1981-01-26 1982-11-23 General Motors Corporation Internal combustion engine transient fuel control apparatus
JPS5813131A (en) * 1981-07-15 1983-01-25 Nippon Denso Co Ltd Air-fuel ratio control method
JPS5832942A (en) * 1981-08-20 1983-02-26 Toyota Motor Corp Intake device for internal-combustion engine
US4483301A (en) * 1981-09-03 1984-11-20 Nippondenso Co., Ltd. Method and apparatus for controlling fuel injection in accordance with calculated basic amount
JPS5841231A (en) * 1981-09-03 1983-03-10 Nippon Denso Co Ltd Method of electronic controlling for fuel injection
JPS5848748A (en) * 1981-09-17 1983-03-22 Toyota Motor Corp Method of controlling air-fuel ratio of internal- combustion engine
JPS5882040A (en) * 1981-11-11 1983-05-17 Hitachi Ltd Controller for air-fuel ratio

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2135996A5 (en) * 1971-04-02 1972-12-22 Bosch Gmbh Robert
US4300507A (en) * 1975-02-25 1981-11-17 The Bendix Corporation System controlling any air/fuel ratio with stoichiometric sensor and asymmetrical integration
US4088095A (en) * 1975-05-20 1978-05-09 Nissan Motor Company, Limited Closed-loop mixture control system for an internal combustion engine using a differential amplifier with a reference voltage variable according to engine operating parameters
US4163433A (en) * 1975-12-27 1979-08-07 Nissan Motor Company, Limited Air/fuel ratio control system for internal combustion engine having compensation means for variation in output characteristic of exhaust sensor
US4140086A (en) * 1976-08-25 1979-02-20 Robert Bosch Gmbh Apparatus for adjusting the combustible mixture of an internal combustion engine
EP0005613A2 (en) * 1978-05-15 1979-11-28 Allied Corporation Temperature circuit for oxygen sensor during warm-up
US4235204A (en) * 1979-04-02 1980-11-25 General Motors Corporation Fuel control with learning capability for motor vehicle combustion engine
DE3330070A1 (en) * 1982-08-19 1984-02-23 Honda Giken Kogyo K.K., Tokyo CONTROL METHOD FOR THE AIR FUEL RATIO OF AN INTERNAL COMBUSTION ENGINE FOR VEHICLES

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENTS ABSTRACTS OF JAPAN, vol. 7, no. 112 (M-215)[1257], 17th May 1983; & JP-A-58 032 942 (TOYOTA JIDOSHA KOGYO K.K.) 26-02-1983 *

Also Published As

Publication number Publication date
KR850001964A (en) 1985-04-10
DE3480416D1 (en) 1989-12-14
EP0136519B1 (en) 1989-11-08
EP0136519A2 (en) 1985-04-10
US4561403A (en) 1985-12-31
JPH0713493B2 (en) 1995-02-15
JPS6045742A (en) 1985-03-12

Similar Documents

Publication Publication Date Title
DE3480416D1 (en) Air-fuel ratio control apparatus for internal combustion engines
EP0079072A3 (en) Air-fuel ratio controlling device for internal combustion engines
EP0288056A3 (en) Control apparatus for internal combustion engines
DE3378922D1 (en) Method of air-fuel ratio control of internal combustion engines of automobiles
DE3278882D1 (en) Internal combustion engine control apparatus
DE3471977D1 (en) Apparatus for starting internal combustion engine
DE3278477D1 (en) Air-to-fuel ratio control system for internal combustion engine
GB2141781B (en) Knock control apparatus for internal combustion engine
DE3167144D1 (en) Air-fuel ratio controlling device for internal combustion engines
DE3477235D1 (en) Internal combustion engine ignition control
GB2224848B (en) Air-fuel ratio control apparatus for internal combustion engines
EP0226852A3 (en) Apparatus for controlling air-fuel ratio for internal combustion engine
GB2047439B (en) Air-fuel ratio control system for internal combustion engines
DE3473006D1 (en) Apparatus for controlling ignition timing for internal combustion engines
EP0138495A3 (en) Ignition timing control apparatus for internal combustion engine
GB2173324B (en) Rpm control apparatus for internal combustion engine
DE3273196D1 (en) Apparatus for controlling internal combustion engine
EP0224195A3 (en) Air/fuel ratio control apparatus for internal combustion engines
DE3376995D1 (en) Control method for internal combustion engines
GB2203569B (en) Control apparatus for internal combustion engine
GB2178196B (en) Surge-corrected fuel control apparatus for an internal combustion engine
DE3480488D1 (en) Ignition apparatus for internal combustion engines
GB2209852B (en) Air-fuel ratio control apparatus for multicylinder engine
EP0287097A3 (en) Air-fuel ratio control apparatus in internal combustion engine
GB2173323B (en) Rpm control apparatus for internal combustion engine

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): CH DE FR GB IT LI NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): CH DE FR GB IT LI NL SE

17P Request for examination filed

Effective date: 19851219

17Q First examination report despatched

Effective date: 19861125

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB

REF Corresponds to:

Ref document number: 3480416

Country of ref document: DE

Date of ref document: 19891214

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19910628

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19910808

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19920823

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19920823

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19930430

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20030908

Year of fee payment: 20